From 77af60d5c7776b9b748908b801a8402fdf8f1914 Mon Sep 17 00:00:00 2001
From: Andreas Wiese <aw-nixos@meterriblecrew.net>
Date: Fri, 19 Mar 2021 02:01:55 +0100
Subject: [PATCH] modules: add hardware.cpu.amd.ryzenSMU

---
 flake.nix                    |  1 +
 modules/ryzenSMU/default.nix | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 modules/ryzenSMU/default.nix

diff --git a/flake.nix b/flake.nix
index 952eb2c..13a1c41 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,6 +18,7 @@
   in {
 
     nixosModules = {
+      ryzenSMU = import ./modules/ryzenSMU;
     };
 
     packages = forAllSystems (system: import ./. {
diff --git a/modules/ryzenSMU/default.nix b/modules/ryzenSMU/default.nix
new file mode 100644
index 0000000..61fb583
--- /dev/null
+++ b/modules/ryzenSMU/default.nix
@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (config.boot.kernelPackages) kernel;
+  inherit (lib) mkEnableOption mkIf;
+  self = pkgs.callPackage ../.. { inherit pkgs; };
+  cfg = config.hardware.cpu.amd.ryzenSMU;
+
+in {
+
+  options.hardware.cpu.amd.ryzenSMU.enable = mkEnableOption ''
+    access to SMU of AMD Ryzen Mobile processors
+  '';
+
+  config = mkIf cfg.enable {
+    boot.extraModulePackages = [ (self.ryzen_smu.override { inherit kernel; }) ];
+  };
+
+}